12571400

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 16891000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 263, 478, 526, 956, 1052, 1195, 1315, 1912, 2104, 2390, 2630, 4780, 5260, 5975, 6575, 9560, 10520, 11950, 13150, 23900, 26300, 47800, 52600, 62857, 125714, 251428, 314285, 502856, 628570, 1257140, 1571425, 2514280, 3142850, 6285700, 12571400]

約数ペア:

[(1, 12571400), (2, 6285700), (4, 3142850), (5, 2514280), (8, 1571425), (10, 1257140), (20, 628570), (25, 502856), (40, 314285), (50, 251428), (100, 125714), (200, 62857), (239, 52600), (263, 47800), (478, 26300), (526, 23900), (956, 13150), (1052, 11950), (1195, 10520), (1315, 9560), (1912, 6575), (2104, 5975), (2390, 5260), (2630, 4780)]